Table 2 Characteristics of the study population from Kinshasa (DRC).

From: Immune surveillance for six vaccinable pathogens using paired plasma and dried blood spots in HIV infected and uninfected children in Kinshasa

 

With paired DBS/plasma

(%)

Only with DBS

(%)

Total

Total available samples

42 (100)

101 (100)

143 (100)

Male gender

19 (45.2)

56 (55.4)

75 (52.4)

Median age at sampling [IQR]

14 [12−17]

9 [3–12.8]

11 [5–14]

 < 1

1 (2.4)

18 (17.8)

19 (13.3)

 ≥ 1–5

0

12 (11.9)

12 (8.4)

 > 5–10

5 (11.9)

22 (21.8)

27 (18.9)

 > 10–15

16 (38.1)

32 (31.7)

48 (33.5)

 > 15

18 (42.9)

16 (15.8)

34 (23.8)

Unknown

2 (4.7)

1 (1)

3 (2.1)

Confirmed HIV status

HIV+ 

38 (90.5)

14 (13.9)

52 (36.4)

HIV−

4 (9.5)

87 (86.1)

91 (63.6)

ARV experience and VL

ARV experience

39 (92.9)

23 (22.8)

75 (52.4)

 ≥ 1000 cp/ml

31 (73.8)

11 (10.9)

42 (29.4)

Mother’s HIV status

HIV+ 

17 (40.5)

43 (42.6)

60 (41.9)

HIV−

4 (9.5)

24 (23.7)

28 (19.6)

Unknown

21 (50)

34 (33.7)

55 (38.5)

  1. Information extracted from clinical files. DRC The Democratic Republic of the Congo, DBS Dried blood samples, IQR Interquartile range, ART Antiretroviral treatment, VL HIV-1 Viral load; Viral load quantified by Cobas®v2.0 (ROCHE), limit of quantification 20cp/ml. Age in years. cp/ml, HIV-1 RNA copies per millilitre of plasma corrected from the DBS cp/dot considering the patient’s haematocrit22.
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